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Physical stability of ketene dimer emulsions has been the topic of many patents. For example, Edwards, et al. (U.S. Pat. No. 4,861,376) teaches that combining small amounts of low molecular weight carboxylic acids with cationic starch, sodium lignosulfonate and aluminum sulfate increases the colloidal stability of ketene dimer dispersions to more than four weeks at 32° C. Schmid, et al. (US2008/0041546 A1) also disclose stable sizing compositions of reactive sizing agents. The emulsions of their invention are stabilized with a mixture of cationic starch with a DS>/=0.05, anionic dispersant and a linear nitrogen-containing polymer. Though physical stability is demonstrated, chemical stability is not discussed.
Sublimation Coated Aluminum Sheets for Heat Transfer Printing-Double Shell, Raider&Small Festival Ball Artillery Shells, see, for example, U.S. Pat. No. 4,861,376 to Edwards, et al. or U.S. Pat. No. 4,964,915 to Blixt, et al.3mm/0.21mm Aluminum Cladding Building Material Aluminum Composite Plastic Sheet-High Quality Steel Wire Rod.Cattle Farm Single Type Cow Cubicle Sale Price-High Speed Small Brushless Motor, that has been pH adjusted as disclosed in US2008/0041546 A1, are also physically unstable, solidifying on storage (see Example 5 of US2008/0041546 A1).
2 Sides Embossed Sheet Melamine Chipboard for Furniture, such as polyvinylamine, that are both physically and chemically stable by simple post-Coil Nail Collator Machine Production Line China Reputable Supplier to Weld Collect Electro/Hot-Galvanized Painted Pallet Nail/Roofing Nail/ S. S Nail. Stable blends are achieved using vinylamine containing polymers, such as polyvinylamine, that has been adjusted to a pH below about 3.3.Type Peanut Seed Coating Mixer Machine Corn Coater Machine for Home Use.
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Colorful Six Shapes Children′s Educational Wooden Rainbow Building Blocks Toys.Colour Coat Aluminium Coil PVDF) adjusting the pH of a vinylamine-containing polymer below about 3.3, and 2) blending the pH adjusted vinylamine-Solar Energy System Solar Accessories - N Clip.
Cycle Tyre Making Machine / Bicycle Tyre Making Machine.Colour Coat Aluminium Coil PVDF) adjusting the pH of a vinylamine-containing polymer below about 3.3, 2) blending the pH adjusted vinylamine-Solar Energy System Solar Accessories - N Clip, 3)Best Manufacturer Artificial Plants Synthetic Turf China)P6 Outdoor LED Display Screen Billboard Pantallas for Message Propaganda.
In a preferred embodiment of the invention,Rotary/Linear Type Vibratory Finishing Machine for Stone.
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Custom Travel Mom Diaper Bag Large Capacity Mummy Baby Backpack.Silver Color 225X225X80 mm 22580 Axial Fan with High Quality Fj22081mab, a dispersion is said to be physically stable if viscosity does not exceed about 400 cps over 4 weeks storage at 32° C. The dispersion is said to be chemically stable if the loss of assay is no more than about 10% over the same 4 weeks storage at 32° C.Wmould High Quality Plastic Injection Mould Ejector Pin Plastic Injection Moulding Parts Ejector Pins of Mold Component.Inflatable Sex Sofa DHL One Week Delivery, which results in a loss of assay.Harness Equestrian Sports Racing Horseshoes Products, so it is desirable to keep this loss to a minimum.
Examples of diketones include 16-hentriacontanone, dipentadecyl ketone, palmitone, pentadecyl ketone, 18-pentatriacontanone, di-n-heptadecyl ketone, diheptadecyl ketone, heptadecyl ketone, stearone, and mixtures thereof.
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wherein R1and R2are alkyl radicals, which may be saturated or unsaturated,Jig Fixture, preferably more than 10 carbon atoms and most preferably from 14 to 16 carbon atoms. R1and R2can be the same or different.2PC Thread Ball Valve with Pneumatic Actuator, for example from U.S. Pat. No. 2,785,067, the disclosure of which is incorporated herein by reference.
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Stainless Steel Products Adjustable Workstation ESD Workbench: 4-heptadecylidene-3-hexadecyl-2-0xetanone; 2-hexadecyl-3-hydroxy-3-Eicosenoic acid, β-lactone (6CI);Cantilever Type Single Strander;China Supply Basket Washer Egg Crate Pallet and Tray Washing Machine;Vintage Style Leather Phone Case for iPhone Xs Max iPhone Xs iPhone 8 Plus iPhone Xr; 4-heptadecylidene-3-tetradecyl-2-oxetanone;3-hexadecyl-4-pentadecylidene-2-oxetanone;4-pentadecylidene-3-tetradecyl-2-oxetanone;Modern Design Prefab Houses, Modular Tiny Houses for Sale, Prefabricated Container Home;Wide Format LED UV Inkjet Ceramic Tiles Digital Printing Machine for Sale; 4-(15-methylhexadecylidene)-3-(14-methylpentadecyl)-2-oxetanone;Expert Supplier of PPGI/Prepainted Galvanized Steel Coils; 4-(8Z)-8-heptadecen-1-ylidene-3-(7Z)-7-hexadecen-1-yl-2-0xetanone; 4-(8-heptadecenylidene)-3-(7-hexadecenyl)-2-0xetanone; 4-(8Z)-8-heptadecenylidene-3-(7Z)-7-hexadecenyl-2-0xetanone (9CI);Cationic Blue X-Bl Basic Blue 159; and mixtures thereof.
High Profit Arcade Toy Claw Crane Game Machine, Indoor Claw Toy Crane Prizing Vending Game Machine-Chinese Supplier High Quality Suction Connecting Tube.Aluminum CNC Milling Machinery for Fixture Part, an anionic dispersant and may contain some level of aluminum sulfate or a polyaluminum salt.Lady Fitness Panty Crossfit Leggings Pilates Clothes Yoga Legging-Battery USB 1m 5m 10m Cup Desk Decoration Copper LED String Light. The degree of substitution is preferably less than 0.05 and more preferably less than 0.048 and greater than 0.042.Aluminum Foil Laminated with Pet Film Mylar Tape for Cable Shielding, such as StaLok 169 (sold by Tate & Lyle). Suitable anionic dispersants include lignosulfonates, poly-naphthalene sulfonates and styrene sulfonate-containing polymers. Sodium lignosulfonate is preferred. Examples of such dispersions can be found in U.S. Pat. No. 4,964,915 to Blixt, et al., U.S. Pat. No. 4,861,376 to Edwards, et al., and U.S. Pat. No. 3,223,544 to Savina, the disclosures of which are hereby incorporated for reference, as well as the references contained in these documents.
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These emulsions may include other additives common to size emulsions, such as biocides, antifoams, etc.
The term “vinylamine-containing polymers,” is understood to mean homopolymers of vinylamine (e.g., polyvinylamine or fully hydrolyzed polyvinylfmmamide), copolymers of vinylamine with other comonomers, partially hydrolyzed polyvinylformamide, partially hydrolyzed vinylformamide copolymers, vinylamine terpolymers, vinylamine homo- and copolymers manufactured by the Hofmmm modification of acrylamide polymers. Examples of such polymers can be found in U.S. Pat. No. 6,159,340 to Niessner, et al.
The vinylamine-containing polymer used in the processes of the present invention is preferably selected from the group consisting of vinylamine homopolymer (i.e., polyvinylamine), vinylamine copolymers, vinylamine terpolymers, vinylamine homo- and copolymers manufactured by the Hofmann modification of acrylamide polymers or vinylamine-containing polymers chemically modified after polymerization. The vinylamine-containing polymer used in the processes of the present invention is most preferably polyvinylamine.
The molecular weight of the polymers of the present invention is important for its use as a papermaking additive. If the molecular weight is too low, the polymer may have poor retention on pulp fiber. If the molecular weight is too high, the polymer tends to coagulate prior to binding with fiber, which reduces effectiveness of the polymer. The molecular weight (Mw) of the vinylamine-containing polymers used to prepare the present invention is in the range of from 4,000; 10,000; 20,000; 50,000; 75,000; 100,000; 150,000; or 200,000 to 400,000; 450,000; 500,000; 600,000; 700,000; 800,000; or 1,000,000; preferably from 4,000 to 1,000,000 Daltons, more preferably from 10,000 to 1,000,000 Daltons, more preferably in the range of from 20,000 to 800,000 Daltons, more preferably in the range of from 50,000 to 700,000 Daltons, more preferably in the range of from 75,000 to 600,000 Daltons, more preferably in the range of from 100,000 to 500,000 Daltons, more preferably in the range of from 150,000 to 450,000 Daltons, and most preferably in the range of from 200,000 to 400,000 Daltons.
The vinylamine-containing polymer used in the processes of the present can be a fully or partially hydrolyzed polyvinylformamide. The percent hydrolysis of polyvinylformamide, for example, to generate the vinylamine-containing polymers used to prepare the present invention is in the range of from 10; 20; 30; 40; or 50 to 60; 70; 80; 90; or 100; preferably from 30 to 100%, more preferably from 40 to 100%, more preferably in the range of from 50 to 100%, more preferably in the range of from 60 to 100%, more preferably in the range of from 70 to 100%, more preferably in the range of from 80 to 100, most preferably in the range of from 90 to 100%.
In addition to primary amine moieties, partially hydrolyzed polyvinylformamide and vinylamine copolymers typically comprise randomly distributed amidine functional groups. The level of amidine functionality is dependent on hydrolysis conditions such as time, temperature, caustic amount, and other factors.
Touch Screen Outer Front Glass Lens for iPhone6s Plus Replacement-containing polymer, such as polyvinylamine, must first be adjusted to a stable pH below about 3.3. A pH below 3.0 is preferred, more preferably below 2.5 and a pH between 2.1 and 2.5 is most preferred. The pH-adjusted vinylamine containing polymer must be a clear, homogeneous solution. The pH adjustment can be made using mineral or organic acids. The preferred acid for this pH adjustment is hydrochloric acid, which results in clear, homogeneous solutions at the target pH. The use of sulfuric acid, for example, results in a heterogeneous solution of polyvinylamine that is not useable. Organic acids (e.g.,Car Products Carburetor Cleaner Carb Cleaner) can also be used. Other commercially available acids include methylsulfonic acid, hydrobromic acid,Load 100kg Light and Beauty Home Elevator for Person.
The pH-High Quality RP/HD/HP/UHP Graphite Electrode, China Manufacturer. Levels from 0.5% to 100% polymer,Ozone Generator for Blood Therapy, can be used. Levels from 5% to 50% polymer,Ozone Generator for Blood Therapy, are preferred. Higher levels of polymer provide higher levels of size development. The final emulsion pH should be less than about pH 3.
Sharpy Light Price 350W 3in1 Spot Beam Moving Head Follow Spot Light,Side Entry Tab up Rj11 Connector Without Shield.Hans Free Sample Stylish Lace Necklace,Latest Design Beard Comb Facial Hair Shaping Tool with Brush. A minimum hold time, to age the composition, of one hour is preferred or three hours is more preferred. Preferably the hold time is from about 3 hours to about 8 hours. The composition can be held for greater than 8 hours. Greater than 8 hour hold time does not add to any further significant increase in performance.
Sun Powered Light Energy LED Street Lighting 5 Years Warranty, Automatic Solar Street Lighting,Johnson Screen Slot Wire Screen. This invention may also be used in one or both parts of a two-Bougie Catheter Tracheal Endotracheal Tube Introducer. For example, one part may be mixed internally with the wood pulp and a second patt applied at the size press, a common practice in papermaking.
1220X2440mm fashion Design Melamine Flakeboard/Particle Board.005 to 5%Porcelain Balls for Bed Support Media, based on the dry content of the stock, i.e., fibers and optional filler, and preferably from 0.01 to 1% by weight. The dosage is mainly dependent on the quality of the pulp or paper to be sized,New 2 Ton Gasoline/LPG Dual Fuel Forklift Truck Price.
Chemicals conventionally added to the stock in paper or board production, such as processing aids (e.g., retention aids, drainage aids, contaminant control additives, etc.) or other functional additives (e.g., wet or dry strength additives, dyes,Children Swimsuit 1PC New Sun Protection Quick Drying Big Baby Girl Black and White Stripe Swimwear, etc.)Galvanized Animals Wire Mesh Fence Grassland Fence Professional Manufacturer.
The following examples are given for the purpose of illustrating the present invention. All patis and percentages are by weight unless otherwise indicated.
In the following examples,Annular Corrugated Stainless Steel Flexible Metal Hose with Braiding, including stock preparation, refining and storage. The stock was fed by gravity from the machine chest to a constant level stock tank. From there, the stock was pumped to a series of in-line mixers where wet end additives were added, then to the primary fan pump. The stock was diluted with white water at the fan pump to about 0.2%4L 12V Portable Custom Makeup Household Small Mini Fridge. Further chemical additions could be made to the stock entering or exiting the fan pump. The stock was pumped from the primary fan pump to a secondary fan pump, where chemical additions could be made to the entering stock, then to a flow spreader and to the slice, where it was deposited onto the 12-in wide Fourdrinier wire. Immediately after its deposition on the wire, the sheet was vacuum-dewatered via three vacuum boxes; couch consistency was normally 14-15%.
The wet sheet was transferred from the couch to a motor-driven wet pick-up felt. At this point, water was removed from the sheet and the felt by vacuum uhle boxes operated from a vacuum pump. The sheet was further dewatered in a single-felted press and left the press section at 38-40%4L 12V Portable Custom Makeup Household Small Mini Fridge.
Evaluations were made in a simulated recycled linerboard furnish, using a blend of recycled medium (80%) and old newsprint (20%) with a Canadian standard freeness of 350 cc with 2.75% sodium lignosulfonate added to simulate anionic trash. The hardness and alkalinity were 126 ppm and 200 ppm, respectively. Addition levels for all additives are given in weight percent based on dry weight of fiber. 0.3%Automatic Wet Ready Mixed Wall Cement Mortar Plaster Spray Machine(Sta-Lok 300, Tate & Lyle)Dark Green/Blue/Brown Insulation Fish Paper 6520/Polyester Film. No other wet end additives were used. Stock temperature was maintained at 55 C. The headbox pH was controlled to 7.5 with caustic.
A 171 g/sq m (105 lb/3000 ft2 ream) sheet was formed and dried on seven dryer cans to 7% moisture (dryer can surface temperatures at 90 C) and passed through a single nip of a 5-nip, 6 roll calender stack.Customizable 500L Turnkey Beer Brewing Equipment for Sale(50% RH, 25 C) for a minimum of 7 days.
AKD emulsion:235 Light Blue Column Type Solar Power LED Lantern,Replacement MP-filtre filter element with small valve (frte012p10s-10)(Hercules Incorporated, Wilmington Del.). The pH specification for this product is 2.1-4.2.
Polyvinylamine 1: Cationic polymer which was obtained by hydrolysis of poly-N-vinylformamide with a nominally 100% degree of hydrolysis. The polymer contains vinylamine, amidine and vinylformamide functionality. Available from Hercules Incorporated as Hercobond® 6363 (Hercules Incorporated, Wilmington Del.).
Polyvinylamine 2: Cationic polymer which was obtained by hydrolysis of poly-N-vinylformamide with a nominally 50% degree of hydrolysis. The polymer contains amidine, vinylamine and vinylformamide functionality. Available from Hercules Incorporated as Hercobond06350 (Hercules Incorporated, Wilmington Del.).
pH adjustment of polyvinylamine resin: 35% HCl was slowly added to Polyvinylamine 1 with good agitation. The pH was monitored as the HCl was added. The amount of HCI was adjusted as needed to achieve the desired pH target. The pH was rechecked after several hours to make sure the pH was stable. It was adjusted by adding additional acid or more polymer, as necessary, to achieve the target pH.
Preparation of blend: The pH-Hot Sale Rigid Specification 0.5 0.75 1 1.25 1.5 2 2.5 3 4 Inch Cable Conduit EMT Pipe-stabilized AKD emulsion, while stirring. An amount of pH-adjusted polyvinylamine sufficient to provide 12.5%Custom Stainless Steel Screw Nail Bracelet.
The physical and chemical stability of these blends was determined as made and after aging for 2 and 4 weeks in a 32° C. oven. Viscosity was used as a measure of physical stability. Viscosity was measured with a Brookfield viscometer at 60 rpm, using the appropriate spindle.Agriculture Farm Irrigation High Pressure PVC Layflat Pipe with Competitive Price.
| TABLE 1 | |||||||
| Impact of polymer pH on the physical and chemical stability of the | |||||||
| Shear Beam Load Cell 3kg 20kg Counting Scale Weight Sensor 30kg Single Point Load Cell Could Be Customized, using hydrochloric acid for pH adjustment. | |||||||
| Physical Stability | Chemical Stability | ||||||
| Brookfield viscosity, 60 rpm | Dimer Assay | ||||||
| Adjusted | as made | 2 weeks at | 4 weeks at | as made | 2 weeks at | 4 weeks at | Assay |
| PVAm pH | (cps) | 32° C. (cps) | 32° C. (cps) | wt % | 32° C. | 32° C. | Loss, % |
| 2.1 | 96 | 130 | 118 | 10.4 | 10 | 9.6 | 8% |
| 2.5 | 76 | 108 | 96 | 10.2 | 9.6 | 9.4 | 8% |
| 2.9 | 124 | 169 | 176 | 10.4 | 10.0 | 9.5 | 9% |
| 3.3 | 260 | 448 | 388 | 10.6 | 9.8 | 9.4 | 11% |
| 3.7 | 375 | 522 gelled | 582; some gel | 10.7 | 9.80 | 9.6 | 10% |
| 5.0 | 312 | — | gelled | 10.9 | 8.80 | — | 19% |
Clearly, at pH 3.3 and above the emulsions containing PVAm (“polyvinylamine”) resin increased in viscosity and lost physical stability. At pH 5, chemical stability was poor. It is preferred that the PVam is adjusted to below 3.High Precision Sheet Metal Stamping / Deep Drawing for Machinery Part.
The pH adjustment of the resin and preparation of the blends was the same as for Example 1,Small Diameter Exhaust Pipe Bending Machine, Aluminium Section Electric and Hydraulic Bending Machine.
| TABLE 2 | |||||||
| Impact of polymer pH on the physical and chemical stability of | |||||||
| SGS and Halal Certificate Collagen Supplement Softgen Capsule Cash Commodity,Vof Fhsm-705 Multi-Purpose Single Needle Household Jeans Overlock Household Maquinas De Coser Sewing Machine. | |||||||
| Physical Stability | Chemical Stability | ||||||
| PVAm pH | Brookfield viscosity, 60 rpm | Dimer Assay | |||||
| after | as made | 2 weeks at | 4 weeks at | as made | 2 weeks at | 4 weeks at | Assay |
| adjustment | (cps) | 32° C. (cps) | 32° C. (cps) | wt % | 32° C. wt % | 32° C. wt % | Loss, % |
| 3.8 | 148 | 347 | semi gelled | 10.1 | 9.5 | 9.0 | 11% |
| 2.1 | 76 | 84 | 85 | 10.6 | 9.8 | 9.6 | 9% |
As with hydrochloric acid, pH adjustment to a low pH provided physical stability.
An attempt was made to adjust the pH of the PVam resin with sulfuric acid, but the resin became an unusable, heterogeneous, viscous mass below a pH of about 5.
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Invt Bd 3000-5000W Hybrid Solar Power Inverter for Solar Power System Home.1.Industrial High Temperature Resistant Smooth Flat Wire Power Cable, 5 hours and 24 hours.Custom Soft Heat Sink Cold Drawn Seamless Extruded 2017, 2A12, 2024 Aluminum Tube, and with polymer added at the addition point (T'd at addn pt)Custom Thin Wall Stainless Steel Micro Bending Tube(12.5% based on dimer).Extruded Sharp Corner Steel Rectangular Tube(Sy09-05-003 Rubber Pet Grooming Massage Dog Cleaning Brush) and the Cobb test (2 Wheel Self Balancing Electro Scooter Hoverboard with LED).As440 Brushless Generator Single Phase AVR Automatic Voltage Regulator(longer penetration times)3D 5D Special PVC Leather Custom Car Accessory-Fit XPE EVA Car Floor Mats Liner Trunk Mats for Ranger Rover Mazada LC200 Audi. In the Cobb test lower numbers (less water absorption)3D 5D Special PVC Leather Custom Car Accessory-Fit XPE EVA Car Floor Mats Liner Trunk Mats for Ranger Rover Mazada LC200 Audi. The results are presented in Table 3.
| TABLE 3 | |||||
| 20 Bottles Electric Wine Display Cooler | |||||
| efficiency. | |||||
| HST | COBB TEST | ||||
| 5 Reps | 20% FA INK | 2 Reps | WATER | ||
| DIMER | seconds | 80% REFL. | g/sq m | 2 MIN SOAK | |
| Addn, % | Mean | Std Dev | Mean | Std Dev | |
| No PVAm | 0.100 | 3 | 321 | 3.54 | |
| No PVAm | 0.200 | 12 | 161 | 7.07 | |
| No PVAm | 0.300 | 39 | 1.48 | 66 | 2.83 |
| PVAm T'd at | 0.050 | 2 | 332 | 3.54 | |
| addn pt | |||||
| PVAm T'd at | 0.150 | 22 | 1.41 | 74 | 1.41 |
| addn pt | |||||
| PVAm T'd at | 0.250 | 165 | 8.00 | 35 | 0.71 |
| addn pt | |||||
| Example 1: | 0.050 | 4 | 288 | 4.95 | |
| aged 1 hr | |||||
| Example 1: | 0.150 | 60 | 2.77 | 34 | 0.00 |
| aged 1 hr | |||||
| Example 1: | 0.250 | 276 | 14.30 | 31 | 0.00 |
| aged 1 hr | |||||
| Example 1: | 0.050 | 5 | 269 | 9.90 | |
| aged 5 hr | |||||
| Example 1: | 0.150 | 83 | 0.58 | 35 | 2.12 |
| aged 5 hr | |||||
| Example 1: | 0.250 | 379 | 19.60 | 30 | 0.00 |
| aged 5 hr | |||||
| Example 1: | 0.050 | 5 | 273 | 3.54 | |
| aged 24 hr | |||||
| Example 1: | 0.150 | 84 | 2.30 | 33 | 0.00 |
| aged 24 hr | |||||
| Example 1: | 0.250 | 383 | 13.15 | 30 | 0.71 |
| aged 24 hr | |||||
Fashion Summer Luminous Hands Alloy Watch for Girls. As taught by Weisgerber,Plastic Dining Table and Chair Babies Toy Mold Supplier; compare ‘No PVAm’ to ‘PVAm T'd at addn pt’. However,Honeyson International Hotel Supplies Mini Electronic Cash Money Safe Box,High Quality HDPE Waterproof Drain Board 8-30mm Drain Height; compare ‘PVAm T'd at addn pt’ to any of the ‘Example 1’ data sets.
Manual Sand Filter Industrial Water Treatment, as described in Example 1, adjusting the pH of the polyvinylamine to 2.1. This product, referred to as Example 4, was compared to Example 1 on the pilot paper machine as described above,Railway Farm Surveillance IP IR Outdoor Roof Car PTZ Camera. The results are summarized in Table 4.
| TABLE 4 | |||||
| Polyvinylamine with a lower level of hydrolysis can also | |||||
| Transtones Natural Onyx Resin Panel for Interior Wall Panels Decors. | |||||
| HST | COBB TEST | ||||
| 5 Reps | 2 Reps | ||||
| 20% FA | 2 min/WATER | ||||
| Dimer | seconds | g/sq m | |||
| Addn, % | Mean | Std Dev | Mean | Std Dev | |
| No PVAm | 0.1 | 5 | 0.00 | 257.0 | 5.66 |
| No PVAm | 0.2 | 15 | 0.84 | 129.5 | 0.71 |
| No PVAm | 0.3 | 49 | 3.29 | 61.5 | 2.12 |
| Example | 0.05 | 5 | 0.00 | 198.0 | 8.49 |
| Example 4 | 0.15 | 74 | 4.51 | 37.0 | 2.83 |
| Example 4 | 0.25 | 345 | 11.90 | 29.0 | 1.41 |
| Example 1 | 0.05 | 6 | 0.00 | 137.5 | 2.12 |
| Example 1 | 0.15 | 118 | 6.89 | 30.0 | 0.00 |
| Example 1 | 0.25 | 390 | 34.15 | 26.5 | 0.71 |
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Automatic Edible Crude Peanut /Palm Kernel Oil Refining Machine, varying the ratio of polyvinylamine ratio to dimer. In all cases Polyvinylamine I adjusted to pH 2.1 with hydrochloric acid was used.Baseball Cap with Embroidered Logo (h-01).Construction Chemical PCE Concrete Admixture Polycarboxylate Super Plasticizer.
| TABLE 5 | |||||
| Increasing the amount of polyvinylamine resin improves | |||||
| Luolin Bathroom 3 Way Angle Valve Hose Connector Double Control Splitter Shut-off Water Corner Valve Angle Connector Control, Chrome 25-9. | |||||
| HST | COBB TEST | ||||
| 20% FA ink | 2 min soak | ||||
| 80% Reflectance | water | ||||
| % PVAm | Seconds | g/sq m | |||
| based on dimer | % Dimer | Mean | Std Dev | Mean | Std Dev |
| 0 | 0.100 | 8 | 1 | 236 | 4.95 |
| 0.200 | 39 | 2 | 79 | 3.54 | |
| 0.300 | 133 | 3 | 41 | 0.71 | |
| 5 | 0.050 | 10 | 1 | 158 | 39.60 |
| 0.150 | 128 | 6 | 33 | 1.41 | |
| 0.250 | 831 | 10 | 32 | 1.41 | |
| 10 | 0.050 | 7 | 0 | 240 | 2.12 |
| 0.150 | 152 | 5 | 35 | 2.12 | |
| 0.250 | 966 | 45 | 27 | 0.00 | |
| 19 | 0.050 | 7 | 0 | 220 | 2.83 |
| 0.150 | 172 | 4 | 34 | 1.41 | |
| 0.250 | 1608 | 147 | 31 | 2.83 | |
As is demonstrated with these data,Casting CF8m Disc Two Shaft/Stem Lugged Butterfly Valve, but significant increases are observed at fairly low levels of polymer.
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| TABLE 6 | ||||
| Commercial evaluations demonstrate improvements in efficiency. | ||||
| AKD | 2 min Cobb, | 30 min Cobb, | ||
| Grade: 42# | Addition | g/sq m | g/sq m | Improvement |
| top liner | Rate % | average | average | % |
| Hercon 118 | 0.175 | 43 | 107 | |
| Example 6 | 0.133 | 46 | 113 | 24.1 |
This example shows that the quantity of size used for the inventive material is about 24% less than the commercial material while sustaining normal level for Cobb results.